A randomized 25 question test from a pool of 761 questions, good luck!
Choose the best answer that represents the bit rate of a 14400 baud rate.
Of the problems below, Which would be best mitigated by termination resistors?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
With the HART protocol, field device messages consistently have _______ bytes of information about status. Choose the best answer from those provided below to fill in the blank.
Which answer below best reflects the baud rate of a serial communication channel that transmits 3 bit symbols at a rate of 3648 bps?
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the coils register addresses?
In IPv4, the user datagram protocol has less latency and measurable greater data throughput. Which of the answers below can be a drawback of this protocol?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a vibrations given off by a device?
There are several duties done by each layer within the a typical DCS. Which of the levels below is where the basic process control is performed?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a coil to the slave device?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves input register # 30009?
There are various subsystems within any HMI. Which of the tasks below would be the primary responsibility of the alarm subsystem?
In the process conditions model, there are transition points between the stages of operating conditions. Which of the answers below is the signals conditions moving from normal to abnormal conditions?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
In synchronous transmission, which of the answers below best describes where the incoming data is always detected by the receiver?
Which of the recommended standards would be best described as having a full duplex transmission system?
There are many conventions to the creation of tags in a HMI. Which of those conventions would best describe the part of a tag that the arrows are pointing to in the picture below?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should have the quickest response times?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
Message frames are the result of organizing network messages so that the transmission of between network points is one block. Which of the answers below shows a simplified message frame components in the correct order?
The heart of a DCS is considered the PLC and it's five main programming languages. Which of the programming languages would be described as mimicking the components of the hardware of an analog control in self-contained blocks of code?
There are several types of converters. Which one of the answers below is best known as a "Repeater"?
Sometimes a controller module cannot execute the logic that is required. Which of the subsystems below would be able to execute this logic?